Em Mon, Apr 25, 2016 at 08:15:00PM +0200, Jiri Olsa escreveu: > On Sun, Apr 24, 2016 at 11:28:09PM -0700, [email protected] wrote: > > From: Kan Liang <[email protected]> > > > > The accumulated period for dummy entry should also be 0. > > Otherwise, the total overhead could be overcounted. > > [perf]$ perf record -e '{LLC-load-misses,cpu/instructions/}' > > --call-graph=lbr ./tchain > > [perf]$ perf report --stdio > > # To display the perf.data header info, please use > > --header/--header-only options. > > # > > # > > # Total Lost Samples: 0 > > # > > # Samples: 21K of event 'anon group { LLC-load-misses, > > cpu/instructions/ > > }' > > # Event count (approx.): 16313667937 > > # > > # Children Self Command Shared Object > > Symbol > > # ................ ................ ........... ................ > > ............................ > > # > > 4769.98% 0.01% 0.00% 0.01% tchain_edit [kernel.vmlinux] > > [k] update_fast_timekeeper > > 4356.18% 0.01% 0.00% 0.01% tchain_edit [kernel.vmlinux] > > [k] trigger_load_balance > > 3181.12% 0.01% 0.00% 0.01% tchain_edit [kernel.vmlinux] > > [k] irq_work_tick > > 1592.37% 0.00% 0.00% 0.00% tchain_edit [kernel.vmlinux] > > [k] cpu_needs_another_gp > > > > Signed-off-by: Kan Liang <[email protected]> > > --- > > > > Changes since V2: > > - Use symbol_conf.cumulate_callchain check for existance of he->stat_acc > > Changes since V1: > > - check he->stat_acc. Because it only be available when option children is > > set > > Acked-by: Jiri Olsa <[email protected]>
Thanks, applied. - Arnaldo
